> Improper session handling during authentication

An insufficient session expiration vulnerability [CWE-613] and an incorrect authorization vulnerability [CWE-863] in the FortiIsolator authentication mechanism may allow a remote unauthenticated attacker to deauthenticate logged in admins via a crafted cookie and a remote authenticated read-only attacker to gain write privilege via a crafted cookie. Revised on 2025-10-14 00:00:00